| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,141 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,637 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,924 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,280 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,452 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,816 |
| Countries with Megacities | 0 | - | 4.99 | 252,830 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,674 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,875 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,971 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,861 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,513 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,523 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,222 |
| European Countries with One Border | 0 | - | 4.97 | 182,451 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,263 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,483 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,283 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,614 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,227 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,302 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,862 |
| Countries with the Most Borders | 0 | - | 4.97 | 387,740 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,957 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,309 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,795 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,677 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,046 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,036 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,269 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,130 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,403 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,034 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,727 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,830 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,656 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,584 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,813 |
| Countries of Africa by Borders in 30 Seconds | 0 | - | 4.43 | 355,546 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 414,465 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,316 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,414 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,942 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,567 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,179 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,993 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,550 |
| Random Countries by Borders | 0 | - | 4.99 | 82,240 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,749 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,102 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,293 |
| Most Populated Countries Bordering the Indian Ocean | 0 | - | 4.27 | 28,154 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,832 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 88,852 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,823 |
| Countries Bordering the EU | 0 | - | 4.77 | 72,741 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,130 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,820,589 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,333 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,391 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,462 |
| Countries that Border Hungary | 0 | - | 4.98 | 104,068 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,161 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,091 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,126 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,433 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,206 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,772 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,402 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,495 |
| Countries Bordering Serbia | 0 | - | 4.96 | 92,219 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,719 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,954 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,652 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,397 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,793 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,934 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,803 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,578 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,290 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,136 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,215 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,365 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,607 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,716 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,169 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,305 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,721 |
| Biggest Cities in the United States | 0 | - | 4.93 | 974,903 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,377 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,423 |
| Olympic Host Countries | 0 | - | 4.98 | 200,233 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,539 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,740 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 307,677 |
| The Only European Country ... | 0 | - | 4.91 | 215,859 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,631 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,679 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,557 |
| Countries of Africa | 0 | - | 5.00 | 2,528,699 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,783 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,201 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,965 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,890 |
| Largest City by Island | 0 | - | 4.87 | 71,610 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,735 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,587 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,182 |
| Megacities on a World Map | 0 | - | 4.98 | 253,061 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,662 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,166 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,622 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,082 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,007 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,325,744 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,040 |
| Countries of the Middle East | 0 | - | 4.96 | 200,655 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,942 |
| Slavic Countries | 0 | - | 4.96 | 111,446 |
| African Island Countries | 0 | - | 4.96 | 101,376 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,771 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,716 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,296 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,019,991 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,605 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,226 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,096 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,428 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,760 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,587 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,379 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,479 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,494 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,052 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,922 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,345 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,948 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,931 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,778 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,026 |
| Bordering Countries by HDI Difference | 0 | - | 4.90 | 51,840 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,880 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.86 | 96,242 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 180,016 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,160 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,933 |
| Most Populous Islands | 0 | - | 4.80 | 122,749 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,267 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,489 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,626 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,635 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,549 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,852 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,858 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,519 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,016 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,754 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,690 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,996 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,892 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,907 |
| Monarchies of Europe | 0 | - | 4.90 | 97,903 |
| Monarchies of Asia | 0 | - | 4.97 | 70,945 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,215 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,754 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,199 |
| Countries that Start with A | 0 | - | 4.98 | 2,157,876 |
| Countries that Start with B | 0 | - | 4.95 | 2,289,877 |
| Countries that Start with C | 0 | - | 4.96 | 1,818,399 |
| Countries that Start with D | 0 | - | 4.96 | 707,055 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,185 |
| Countries that Start with G | 0 | - | 4.97 | 1,499,822 |
| Countries that Start with H | 0 | - | 4.96 | 602,618 |
| Countries that Start with I | 0 | - | 4.92 | 1,285,620 |
| Countries that Start with J | 0 | - | 4.98 | 600,488 |
| Countries that Start with K | 0 | - | 4.97 | 813,598 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,388 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,322 |
| Countries that Start with P | 0 | - | 4.94 | 1,213,820 |
| Countries that Start with S | 0 | - | 4.98 | 1,751,678 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,107 |
| Countries that Start with U | 0 | - | 4.97 | 903,047 |
| Countries that Start with V | 0 | - | 4.98 | 608,130 |
| Countries that Start with F | 0 | - | 4.83 | 615,949 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,030 |
| The Only African Country ... | 0 | - | 4.98 | 128,884 |
| The Only American Country ... | 0 | - | 4.92 | 121,367 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,038 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,963 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,213 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 108,750 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,386 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,605 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,640 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,198 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,732 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,952 |
| U.S. State Border Crossings | 0 | - | 4.97 | 96,339 |
| Boundary Waters | 0 | - | 4.92 | 88,351 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,057 |
